Seiko Cal. 5635 - 443

Released in 1980, the Cal. 5635 with design code 443 was part of Seiko's domestic market collection. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-a13d00fb1fe2]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1980

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